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Geographic Information Systems

The La Plata County Geographic Information Systems (GIS) Department has moved!  GIS is now located at:

Old Main Post Office Professional Building
1060 Main Avenue, Suite 101
Durango, CO  81301

GIS (Geographic Information Systems) is often described as "computerized mapping" but, it is that and much more. GIS combines layers of information to provide a better understanding of a geographic area (spatial location). GIS, is an exciting, dynamic and rapidly advancing technology of computer software, hardware, data, and personnel used to manipulate, analyze and present information that is tied to a spatial location.  GIS has become an essential part of La Plata County's daily functions.  GIS is used in several of the county's departments including: The County Assessors office, Planning Department, Office of Emergency Management, Road and Bridge, and Engineering.

  • Download GIS DatasetsArcIMS Interactive Mapping Website

  • GIS layers can be downloaded for free from the La Plata County GIS Department. Projection: NAD 83 Colorado State Plane South, Feet, ESRI Shapefile format.

  • Aerial photography was obtained in 2003 & 2007.  Availability depends on location.  Go to our ArcGIS Server and click "Layers' open the 'Images and Aerial Photos' folder and turn on the 2007 Tile Index to view the tiles that are available. ($10.00 per tile one sq. mile)

  • Additional Planimetric data may be purchased from the La Plata County GIS Department: 5ft contour lines, hydrolines, hydropolys, structures, geo-referenced tiff images, and roads.

  • Download ArcExplorer from ESRI
    ArcExplorer is a lightweight GIS data viewer developed by ESRI. This freely available software offers an easy way to perform a variety of basic GIS functions.

Photo La Plata County scenery